.conlusion {
  width: 16.8533rem;
  margin: 0 auto;
  line-height: 2rem;
  font: normal 300 0.64rem/2rem 'Microsoft Yahei';
}
.outter .logo_pic {
  margin: 4rem auto 0;
}
.outter .DeciTree {
  margin-bottom: 2rem;
}
